NCIt definition : Excessive blood loss prior to onset of labor.;
Alternative definition : GAIA: A clinical syndrome that is characterized by bleeding during the second or third
trimester of pregnancy. Pathologic etiologies attributable to the pregnant state include
placenta previa, morbidly adherent placenta, vasa previa, placental abruption, cesarean
scar pregnancy, intra-abdominal pregnancy, and uterine rupture.;